CVE-2026-47635

Microsoft Outlook and Word Remote Code Execution Vulnerability

Published Jun 9, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x64:*
cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:-:x86:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Title Microsoft Outlook and Word Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft office 2024
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
Vendors & Products Microsoft
Microsoft office 2024
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 11:23 PM
Reserved
May 19, 2026, 8:12 PM
Status
Modified
Published
Jun 9, 2026, 5:17 PM
Modified
Jul 23, 2026, 8:10 AM